Mosby, the Guerrilla, Outwitted.; HOW HE LOST TWO HORSES AND ONE OF HIS BEST OFFICERS.

The following comes to us from a reliable source, and the truth of the facts related may be relied on:

Col. MOSBY, the guerrilla chief, has become famous, and his dashing exploits are often recorded to our disadvantage; but even he meets with his match occasionally.

On Friday last, March 25, Capt. E.B. GERE, of the Griswold Light Cavalry, was sent out with one hundred and twenty-five men to the neighborhoods of Berryville and Winchester on a scout, and encamped at Millwood, some six or eight miles from the former place. After the men had got their fires built. Sergt. WEATHERBEE, of Company B; Corp. SIMPSON, of Company H, and a private, went some two miles from camp to get supper at a farm-house, and, while waiting for the long-delayed tea, were surprised to find several revolvers suddenly advance into the room, behind each pair of which was either Col. MOSBY, a rebel Captain, or a Lieutenant, all rather determined men, with "shoot in their eyes," who demanded the immediate surrender of the aforesaid Yankees, The aim being wicked, the three Twenty-firsters saw they were "under a cloud," and so quietly gave up the contest.

Col. MOSBY was much elated by his good fortune, and required his prisoners to follow him supperless on his rounds to his headquarters at Paris; the private, however, while pretending to get his horse, hid himself in the hay and escaped, MOSBY not daring to wait and hunt him up.

On the way to Paris, the Colonel amused himself by constantly taunting his prisoners with questions -- "Were they with Col. COLE when he thrashed him at Upperville?" "Were they with Maj. SULLIVAN, of the First Veterans, when his men ran away and left him?" "How did they fancy his gray nag? -- he took that from a Yankee Lieutenant." "Didn't the Yanks dread him and his men more than they did the regular rebel cavalry?" "How did they (the prisoners) like his style of fighting?" and a hundred such remarks that indicated the man as being more of a vain braggart than a hero.

He was, in the meantime, engaged in gathering his men, with the avowed intention of attacking Capt. GERE's force at daylight, and, if possible, of cutting it to pieces. His followers live in the farm-houses of Loudon, Clarke and Jefferson Counties, and are either rebel soldiers or Union citizens, as the case may require. He would ride up to a house, call Joe or Jake, and tell them that he wanted them at such an hour at the usual place; to go and tell Jim or Mose. Almost every farm turned out somebody in answer to his call, proving that these men, with the certified oath of allegiance in their pockets, and with passes allowing them to come in and go out of our lines at will, are not only in sympathy with the enemy but are themselves perjured rebels.

When they arrived at Paris, Col. MOSBY dismounted, and stepped into the house where he has his headquarters, leaving his pistols in the holsters. The Lieutenant, with drawn revolver, watched the prisoners while the Captain endeavored to find an orderly to take the horses. Corp. SIMPSON, who had been marking the road for future use, and had been long looking for it, saw his chance, and pretended to tie his horse, but really putting his foot into the stirrup of MOSBY's saddle, and laying hold of one of the overlooked pistols. The Lieutenant detected the move, and fired at him, when SIMPSON shot him through the heart with the weapon he had secured. The Captain turned round and fired, and Col. MOSBY came to the door to see "what all that _____ row was about," just in time to hear a bullet whiz unpleasantly close to his head, that he fired at him, "just for luck," as he and his comrade left -- yelling back: "Col. MOSBY, how do you like ourselves of fighting? We belong to the Twenty-first New-York." And away they went, leaving Col. MOSBY dismounted and outwitted of his best horse, saddle, pistols and overcoat, two Yankee prisoners, and with at least one vacancy among his commissioned officers. Corp. SIMPSON rode twelve miles to the camp, closely followed by the sergeant, and gave Capt. GERE such notice of the enemy's intentions that they thought best not to pitch in at the appointed time.

The captured horse is a very fine one, and with the arms, equipments, &c., are still in the possession of SIMPSON. We believe it is the intention of the regiment to buy them from the Government and to present them to the "Yankee Corporal who beat MOSBY out of his pet nag."

Capt. GERE returned to camp at Halltown, Saturday afternoon, having captured Lieut. WYSONG, of the Seventh Virginia, the successor of Capt. BLACKFORD, a noted guerrilla, who was killed by a sergeant of the First New-York, not long since. R.M.

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A version of this archives appears in print on April 3, 1864, on Page 6 of the New York edition with the headline: Mosby, the Guerrilla, Outwitted.; HOW HE LOST TWO HORSES AND ONE OF HIS BEST OFFICERS. Order Reprints|Today's Paper|Subscribe